php array ouput "null" values (values extracted from json file) - php

Question

I've modify this code to get data from a json file instead of xml file (my old code)
<?php
$tracking_id = 'MyID'; //This is used to track the user doing the offer. can be email, clickid, subid.. etc
$userip = $_SERVER['REMOTE_ADDR']; //We need to get the users ip, so the rss feed can display the correct offers for their country.
$user_agent = $_SERVER['HTTP_USER_AGENT']; //lets collect their user agent to pass along.
$max_offers = 5; //max number of offers to display.
$str = file_get_contents('https://www.cpalead.com/dashboard/reports/campaign_json_load_offers.php?id=296213&geoip='.$userip.'&ua='.urlencode($user_agent).'&subid='.urlencode($tracking_id));
$json = json_decode($str, true);
$opOffer = array();
$offer_cnt = 0;
foreach($json['offers'] as $offeritem)
{
$opOffer[$offer_cnt] = array("title" => array($offeritem->title), "link" => array($offeritem->link));
$offer_cnt++;
};
if (0 == count($opOffer)):
echo 'Sorry there are no offers available for your region at this time.';
else:
echo json_encode($opOffer);
endif;
?>
and it's output like this:
[{"title":[null],"link":[null]},{"title":[null],"link":[null]},{"title":[null],"link":[null]},{"title":[null],"link":[null]},{"title":[null],"link":[null]},{"title":[null],"link":[null]},{"title":[null],"link":[null]},{"title":[null],"link":[null]},{"title":[null],"link":[null]},{"title":[null],"link":[null]},{"title":[null],"link":[null]}]
it should be like this:
[{"title":[{"What is Your Favorite Time for McDonald's?"}],"link":[{"https:\/\/filetrkr.com\/show.php?l=0&u=31802&id=5882&tracking_id=MyId"}]}]
Link to see json output: https://www.cpalead.com/dashboard/reports/campaign_json_load_offers.php?id=296213

Answer 1

For the line:
$opOffer[$offer_cnt] = array("title" => array($offeritem->title), "link" => array($offeritem->link));
Shouldn't it be either:
$opOffer[$offer_cnt] = array("title" => $offeritem->title, "link" => $offeritem->link);
or:
$opOffer[$offer_cnt] = array("title" => $offeritem['title'], "link" => $offeritem['link']);
Also, just after the line:
$json = json_decode($str, true);
Add this line and post the results:
echo "<p>JSON: <pre>".print_r($json,true)."</pre></p>";
That last bit to verify you are receiving the JSON you think you should be getting.

Answer 2

I just changed:
$opOffer[$offer_cnt] = array("title" => array($offeritem->title), "link" => array($offeritem->link));
to:
$opOffer[$offer_cnt] = array("title" => array($offeritem["title"]), "link" => array($offeritem["link"]));
And now give me what you want on the JSON:
[{"title":["Amplificador de Bater\u00eda"],"link":["http:\/\/gtrcking.com\/offer.php?id=744798&pub=296213&subid=MyID"]},{"title":["\u0645\u0628\u0627\u0631\u0627\u0629 \u0645\u0630\u0647\u0644\u0629!"],"link":["http:\/\/gtrcking.com\/offer.php?id=550635&pub=296213&subid=MyID"]},....

Answer 3

heres what you want. give that a go.
foreach($json['offers'] as $offeritem)
{
$opOffer[$offer_cnt] = array("title" => array($offeritem['title']), "link" => array($offeritem['link']));
$offer_cnt++;
if ($offer_cnt == $max_offers) break;
};